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3) You are a social demographer interested in the association between women's education and fertility in countries classified by the UN as "least developed countries" (LDCs). You select a random sample of 15 countries. The variables are fertility rate (average number of children born to each woman) and education for females (percentage of all students at the secondary school level who are female). You compute a correlation of r = -.38. You want to know if this correlation is significantly different from ? Tasting for the association - teen women's ceducation . 3 Pearson's R- Testing for the association between waller education and fertility in the least developed countries Step 1 - random sample - level of measurement is interval ratio - bivariate normal distributions - linear relationship - homoscedasticity - sampling distraction is normal stepz = Ho = P: O Ho -There is no association between women's education and fertility in HI- PIO non directional least developed countries two tailed HI- There is an association between womens education and fertility * we will test for two tailed test- different from meansit can be either less than our greater than O Step3 df n-2 15- 2 13 0.05 P= value . 16241 Stepy 15-2 0. 38 1 0.85 56 7 - (. 38 ) 2 . 38 x 3. 8979502 7 - 1048% + = - 1.48 Steps - Reject the null hypothesis : pobaby r=: 38